O2 Sensor Engine harnesses

O2 harness Black Flat 4 Pin | $20.00

These O2 extension harness are for the cars that need to move their O2 sensors back when running long tube headers.

The terminals are factory style crimped and soldered and loom installed to help protect the wires.

This harness uses the black flat 4-pin style connectors.


O2 Harness Black Square 4 Pin | $20.00

These O2 extension harness are for the cars that need to move their O2 sensors back when running long tube headers.

The terminals are factory style crimped and soldered and loom installed to help protect the wires.

This harness uses the black square 4-pin style connectors.


O2 Harness Black Triangle 4 Pin | $20.00

O2 Sensor Harness black triangle 4-pinThese O2 extension harness are for the cars that need to move their O2 sensors back when running long tube headers.

The terminals are factory style crimped and soldered and loom installed to help protect the wires.

This harness uses the black triangle 4-pin style connectors.


O2 Harness Grey Square 4 Pin | $20.00

O2 extension 4 pin grey square connectorThese O2 extension harness are for the cars that need to move their O2 sensors back when running long tube headers.

The terminals are factory style crimped and soldered and loom installed to help protect the wires.

This harness uses the grey square 4-pin style connectors.